One tool to orchestrate your entire infrastructure lifecycle — as convenient as PaaS, but as flexible as Terraform, sitting on top of the tools you know and love.
Major capabilities that transform how you work with infrastructure.
One identity layer for all clouds
Unified authentication across AWS, Azure, and GCP. SSO, OIDC, SAML, and keyring backends—all in one place. Zero local config required.
Consistent development environments
Native Dev Container support with automatic container lifecycle management. Start, stop, attach, and exec into containers directly from Atmos.
Automatic tool installation
Automatically install and manage the correct versions of Terraform, OpenTofu, Helmfile, and other tools based on component requirements.
Multi-step automation made easy
Encode complex operations into reusable workflows with typed inputs, per-step auth, and rich step types.
Just-in-time component fetching
Automatically fetch component sources on first use—no separate vendor step needed. Just reference and deploy.
Local = CI, no configuration drift
PR comments with formatted plans, cost estimates, and approval buttons. Commands behave identically locally and in CI.
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Rigorous testing, AI-assisted development, and stability
Every command, every config, cross-linked
Sane defaults, full configurability
Native CI/CD support — local = CI
Everything should be discoverable
Bootstrap systems and create reusable patterns
Replace a dozen auth tools with one identity layer
Truly extensible architecture
Familiar concepts for Terragrunt users
Purpose-built engine with retry and resilience